What do you mean by URL (Uniform Resource Locator) ?

A URL (Uniform Resource Locator, also called a web address) is a unique identifier used to locate a resource on the internet. URL consists of multiple parts including a protocol and domain name that tell web browsers how and where to retrieve a resource.End users use URLs by typing them directly into a browser address bar or by clicking a hyperlink found on a webpage, bookmark list, email or another application.